Roll ANGLE from e7ae237eb9e9 to 84fb97ba9452 (3 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/e7ae237eb9e9..84fb97ba9452

2020-06-19 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from 99651228b238 to 545d158a2ff9 (2 revisions)
2020-06-19 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 7a1d99d0be42 to eb6824408d08 (3 revisions)
2020-06-19 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Loader from 24a17f5fe4ef to 7942c0830780 (1 revision)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-chromium-autoroll
Please CC courtneygo@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win-asan;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: courtneygo@google.com
Change-Id: I3fd23e39ecb467344088f6845141d47d4e524c41
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2253571Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#780257}

DEPS

@@ -194,7 +194,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'e7ae237eb9e93b06a7fc5fe37fefa5036a4da080',
+  'angle_revision': '84fb97ba9452c813e1996e85e87c5ec4135f0228',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.